SpecificationsVoltage: (A) 220V/50Hz±10%, (B) 110V/60Hz±10% Power: 370WMaximum pressure: 17kpaAirflow amount: 70m/hMaximum vacuum: -9.8kpaMaximum noise intensity: -60dbDimensions: 35 x 20 x 35cmNotesThis product should work with good power supply cablePay attention to the power supply cable not to be near sharp itemsWhen you are duty off, please remember to separate the cable with power supplyClean the dust-collector bag everydayPlease remember to clean the filter bag every 3-6 monthsChange the carbon-brush every 400hours and change the air filter.Before you use the dust collector, please remember to take off 4 pieces optional multi-direction castor and dust exhaust, these items are inside the front door of dust collector.Package includes:1X Digital Dust Collector other accessory